package cn.edu.zust.se.mapper.xml;

import cn.edu.zust.se.model.User;
import org.apache.ibatis.annotations.Select;

/**
 * @author czg
 * @since 2022/11/2 14:02
 */
public interface UserMapper {
    //嵌套查询：多表联合查询
    public User getUserById(int userId);
    //分步查询：多表分步查询
    public User getUserById2(int userId);
}
